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Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.

Market size 51Growth 23Conversion 85Competition 18Returns 100Price range 79Avg price 82Brand share 4Review moat 24Quality gap 65

Returns

Incredible0.0%

return rate — above 6% kills the launch gate

Conversion

Great9.4%

search→purchase rate — share of searches ending in a sale

Avg price

Great$17.96

avg listing price — sweet spot $15–$100

Price range

Great$8.54–$41.83

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Market size

Good$309K

$309K/yr · 183K searches

Review moat

Bad5,983.07

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-3.6%

90-day search growth — must beat 0% to launch

Competition

Bad78%

top-5 click share — a locked-up shelf

Brand share

Bad98%

top-5 brand share — brand-locked demand

Competition

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

618

Top-5 brand share

98%

Open market

0%

  • Boiron74%
  • LifeSeasons9%
  • Laki Naturals7%
  • OLLY5%
  • Futurebiotics3%
  • Happy Healthy Hippie2%
  • Open — no brand owns it (0%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%10%$31K20%$62K30%$93K40%$124K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.6% search growth over the last 90 days.
10K6KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Sep · busiest ÷ quietest = 3.5×

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Stress/Anxiety23%

“Anxiety relief”

Quality-Overall9%

“Excellent product”

Sleep Quality8%

“Helps with sleep”

Efficiency8%

“worked well for my needs”

Soothing Effect5%

“Soothing”

Taste-Overall5%

“Great taste, help with mood boosting”

Side Effects4%

“Most of my symptoms are gone or significantly reduced”

Focus Enhancement3%

“helps you focus”

Value For Money3%

“Good product for the price”

Advertised Vs Actual Product3%

“Works as advertised”

What buyers complain about

Functionality-Overall17%

“Did not seem to be effective”

Stress/Anxiety13%

“DOES NOT HELP STRESS”

Side Effects8%

“Side effects were scary”

Taste-Overall7%

“Bad Aftertaste”

Sleep Quality6%

“I struggle with sleep”

Value For Money5%

“Waste of money”

Dosage3%

“The 5 pill dose is too much for me”

Ingredients-Overall2%

“Could be because my body isnt used to the ingredients”

Heart Health2%

“Caused heart arrhythmia”

Allergies2%

“He was becoming irritated”

Top return reasons

Functionality-Overall27%
Magnesium9%
Value For Money9%
Ingredients-Overall9%
Fever Relief9%
Dosage9%
Advertised Vs Actual Product9%
Vitamin9%
Moist/Dry9%